ATI Radeon HD 4870 vs ATI Radeon HD 2600 PRO AGP

VS

ATI Radeon HD 4870

ATI Radeon HD 2600 PRO AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 512MB VRAM ATI Radeon HD 2600 PRO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Released 1 years late

Larger VRAM bandwidth (115.2GB/s vs 12.67GB/s)

680 additional rendering cores

ATI Radeon HD 2600 PRO AGP 's Advantages

Lower TDP (35W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 +739%

1.2 TFLOPS

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

Radeon HD 4870

VS

ATI Radeon HD 2600 PRO AGP

Graphics Card

Jun 2008

Release Date

Jun 2007

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

900 MHz

Memory Clock

396 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

12.67GB/s

Render Config

10

Compute Units

3

-

800

Shading Units

120

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.376 GPixel/s

30.00 GTexel/s

Texture Rate

4.752 GTexel/s

-

1200 GFLOPS

FP32 (float)

142.6 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

35W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

RV630

RV770 XT (215-0669049)

GPU Variant

RV630 PRO (215CDBBKA15FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.956 billion

Transistors

0.39 billion

256 mm²

Die Size

153 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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